Sianni is a distinctive girls' name in United States, ranking #1783 in 2024 with 113 recorded births. The name reached its all-time peak in 2025 with 128 births ranking #1629. Since 1996, the popularity has increased by 1,514.3%. In 2024, approximately 1 in every 14,276 girls born was named Sianni. RISING Recent data shows the name is currently rising.